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6081 Aluminum vs. Grade Ti-Pd7B Titanium

6081 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd7B titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 6081 aluminum and the bottom bar is grade Ti-Pd7B titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 9.0
17
Fatigue Strength, MPa 110
200
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 310
390
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 160
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 610
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 180
22
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 160
7.1

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.3
49
Embodied Energy, MJ/kg 150
840
Embodied Water, L/kg 1180
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
62
Resilience: Unit (Modulus of Resilience), kJ/m3 540
440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 37
26
Thermal Diffusivity, mm2/s 74
8.9
Thermal Shock Resistance, points 14
30

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0.1 to 0.45
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Silicon (Si), % 0.7 to 1.1
0
Titanium (Ti), % 0 to 0.15
98.8 to 99.9
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4